Cen-Tec Systems 60583 Commercial Carpet Vacuum Tool, 14-Inch, Black 14 Inch scalloped carpet brush works great on any carpeted surface where commercial cleaning is necessary Compatible with all standard backpack vacuums and dry canister vacuums Ideal at restaurants, office buildings and similar spaces where heavy duty cleaning may be necessary on carpet Designed to fit commercial 1.5 inch and 1 and 9/16 inch s-wands